MEE 203 CBT PRACTICE TEST

1. Centre of gravity of a thin hollow cone lies on the axis of symmmetry at a height of

2. Kinetic friction may be defined as

3. Principle of Transmissibility of Forces states that, when a force acts upon a body, its effect is

4. The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is

5. The following is not a law of static friction :

6. Effect of a force on a body depends upon its

7. The necessary condition of equilibrium of a body, is :

8. A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60? with horizontal, is

9. The resultant of two forces P and Q acting at an angle 0, is

10. The force acting on a point on the surface of a rigid body may be considered to act.

11. If the resultant of two forces P and Q acting at an angle 0 makes an angle a with P, then tan a equals P sin 0 Q sin 0

12. According to Law of Triangle of Forces

13. From a circular plate of a diameter 6 cm is cut out a circle whose diameter is equal to the radius of the plate. The C.G. of the remainder from the centre of circular plate is at a distance of

14. If two forces.P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is

15. A smooth cylinder lying on its convex surface remains

16. If a body is acted upon by a number of coplaner non-concurrent forces, it may

17. The resultant of two forces acting at right angles is A/34 kg and acting at 60? is 70 kg. The forces are

18. Moment of interia of a squares of side b about an axis through its centre of gravity, is

19. Two forces act an angle of 120?. If the greater force is 50 kg and their resultant is perpendicular to the smaller force, the smaller force is

20. The centre of gravity of a homogenous body is the point at which the whole

21. If two forces each equal to T in magnitude act at right angles, their effect may be neutralised by a third force acting along their bisector in opposite direction whose magnitude will be

22. The centre of gravity of a plane lamina will not be at its geometrical centre if it is a

23. The C.G. of a right circular cone lies on its axis of symmetry at a height of
A.
B.
C.
D.

24. The units of moment of inertia of an area, are

25. The forces which meet at one point and have their lines of action in different planes are called

26. If two equal forces of magnitude P act at an angle 0, their resultant, will be
.

27. The Law of Polygon of Forces states that

28. The angle of friction is :

29. A point subjected to a number of forces will be in equilibrium, if

30. If a spherical body is symmetrical about its perpendicular axes, the moment of inertia of the body about an axis passing through its centre of gravity as given by Routh's rule is obtained by dividing the product of the mass and the sum of the squares of two semi-axes by n where n is

31. A retarding force on a body does not.

32. Lami's theroem states that

33. Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by

34. A square hole is punched out of a circular lamina, the diagonal of the square being the radius of the circle. If r is the radius of the circle, the C.G. of the remainder from the corner of the square on the circumference will be

35. The resolved part of the resultant of two forces inclined at an angle 0 in a given direction is

36. Varigon's theorem of moments states

37. A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if

38. The Centre of gravity of a 10 x 15 x 5 cm T section from its bottom, is

39. The centre of gravity of a quadrant of a circle lies along its central radius at a distance of

40. If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to